Macintosh-HW/MacIIROMDiskDriver
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Added GWROMDisk padding to start

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This commit is contained in:
Zane Kaminski 2020-06-24 13:11:59 -04:00
parent 7447f582d3
commit 87253c5c0b
1 changed files with 16 additions and 0 deletions
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16
rdisk.c
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@ -7,6 +7,18 @@
#include <OSUtils.h> #include <OSUtils.h>
#include "rdtraps.h" #include "rdtraps.h"
// This function is here just to put padding at the
// beginning of the output file
void GWROMDisk() {
StripAddress(&GWROMDisk);
StripAddress(&GWROMDisk);
StripAddress(&GWROMDisk);
StripAddress(&GWROMDisk);
StripAddress(&GWROMDisk);
StripAddress(&GWROMDisk);
}
#define RDiskSize (0x00180000L) #define RDiskSize (0x00180000L)
#define RDiskBuf ((char*)0x40880000) #define RDiskBuf ((char*)0x40880000)
#define BufPtr ((Ptr*)0x10C) #define BufPtr ((Ptr*)0x10C)
@ -40,6 +52,10 @@ OSErr RDiskOpen(IOParamPtr p, DCtlPtr d) {
// Do nothing if already opened // Do nothing if already opened
if (d->dCtlStorage) { return noErr; } if (d->dCtlStorage) { return noErr; }
// Reference GWROMDisk() just so it ends up
// at the beginning of the output file
StripAddress(&GWROMDisk);
// Figure out first available drive number // Figure out first available drive number
for (dq = (DrvQElPtr)(GetDrvQHdr())->qHead; dq; dq = (DrvQElPtr)dq->qLink) { for (dq = (DrvQElPtr)(GetDrvQHdr())->qHead; dq; dq = (DrvQElPtr)dq->qLink) {
if (dq->dQDrive >= drvnum) { drvnum = dq->dQDrive + 1; } if (dq->dQDrive >= drvnum) { drvnum = dq->dQDrive + 1; }